/Engine/Source/Editor/ViewportInteraction/Public/ViewportWorldInteraction.h
Sets the currently dragged interactavle
void SetDraggedInteractable ( [IViewportInteractableInterface](API\Editor\ViewportInteraction\IViewportInteractableInterface) * InDraggedInteractable, [UViewportInteractor](API\Editor\ViewportInteraction\UViewportInteractor) * Interactor )